Arrow – Build Information – Swift Package Index

Build Information

Failed to build Arrow, reference 7.0.0 (2f087d), with Swift 6.4 for macOS (SPM) on 21 Sep 2026 06:26:43 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/freshOS/Arrow.git
Reference: 7.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/freshOS/Arrow
 * tag               7.0.0      -> FETCH_HEAD
HEAD is now at 2f087d0 Merge pull request #49 from freshOS/swift_6
Cloned https://github.com/freshOS/Arrow.git
Revision (git rev-parse @):
2f087d0a88bdc160a335b90df0bdf418248fbf32
SUCCESS checkout https://github.com/freshOS/Arrow.git at 7.0.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/freshOS/Arrow.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Pre-planning 1 / 95]
[Planning deferred tasks]
[31 / 41] Arrow_Arrow
[32 / 41]
[33 / 42] Arrow
[43 / 81]
[48 / 81]
[51 / 81]
[52 / 81]
[56 / 81]
[58 / 81]
[61 / 81]
[64 / 81]
[66 / 81]
[67 / 81]
[72 / 81] Arrow
warning: 'spi-builder-workspace': /Users/admin/builder/spi-builder-workspace/Package.swift:11:19: warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
 9 |         .macOS(.v10_13),
10 |         .tvOS(.v12),
11 |         .watchOS(.v4)],
   |                   `- warning: 'v4' is deprecated: watchOS 9.0 is the oldest supported version [#DeprecatedDeclaration]
12 |     products: [.library(name: "Arrow", targets: ["Arrow"])],
13 |     targets: [
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line:     cd /Users/admin/builder

/Users/admin/builder/spi-builder-workspace/Sources/Arrow/Arrow.swift:63:25: [1;31merror: [1;39mstatic property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 [0;36m61 |[0;0m public actor Arrow {
 [0;36m62 |[0;0m
 [0;36m63 |[0;0m     internal static var dateFormatter: DateFormatter? = DateFormatter()
    [0;36m|[0;0m                         |- [1;31merror: [1;39mstatic property 'dateFormatter' is not concurrency-safe because it is nonisolated global shared mutable state[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    [0;36m|[0;0m                         |- [1;39mnote: [1;39mconvert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable[0;0m
    [0;36m|[0;0m                         |- [1;39mnote: [1;39madd '@MainActor' to make static property 'dateFormatter' part of global actor 'MainActor'[0;0m
    [0;36m|[0;0m                         `- [1;39mnote: [1;39mdisable concurrency-safety checks if accesses are protected by an external synchronization mechanism[0;0m
 [0;36m64 |[0;0m     internal static var useReferenceDate = false
 [0;36m65 |[0;0m
/Users/admin/builder/spi-builder-workspace/Sources/Arrow/Arrow.swift:64:25: [1;31merror: [1;39mstatic property 'useReferenceDate' is not concurrency-safe because it is nonisolated global shared mutable state[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
 [0;36m62 |[0;0m
 [0;36m63 |[0;0m     internal static var dateFormatter: DateFormatter? = DateFormatter()
 [0;36m64 |[0;0m     internal static var useReferenceDate = false
    [0;36m|[0;0m                         |- [1;31merror: [1;39mstatic property 'useReferenceDate' is not concurrency-safe because it is nonisolated global shared mutable state[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable\MutableGlobalVariable]8;;\]
    [0;36m|[0;0m                         |- [1;39mnote: [1;39mconvert 'useReferenceDate' to a 'let' constant to make 'Sendable' shared state immutable[0;0m
    [0;36m|[0;0m                         |- [1;39mnote: [1;39madd '@MainActor' to make static property 'useReferenceDate' part of global actor 'MainActor'[0;0m
    [0;36m|[0;0m                         `- [1;39mnote: [1;39mdisable concurrency-safety checks if accesses are protected by an external synchronization mechanism[0;0m
 [0;36m65 |[0;0m
 [0;36m66 |[0;0m     /// Sets the defaut dateFormat for parsing NSDates.
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Arrow.build/Debug/Arrow-t.build/DerivedSources/resource_bundle_accessor.swift /Users/admin/builder/spi-builder-workspace/Sources/Arrow/Arrow.swift /Users/admin/builder/spi-builder-workspace/Sources/Arrow/Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/Arrow/JSON.swift -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Arrow.build/Debug/Arrow-t.build/Objects-normal/arm64/Arrow-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_AVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Arrow.build/Debug/Arrow-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Arrow.build/Debug/Arrow-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Arrow.build/Debug/Arrow-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Arrow -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Arrow.build/Debug/Arrow-t.build/Objects-normal/arm64/Arrow_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Arrow.build/Debug/Arrow-t.build/Objects-normal/arm64/Arrow.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Arrow.build/Debug/Arrow-t.build/Objects-normal/arm64/Arrow.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Arrow.build/Debug/Arrow-t.build/Objects-normal/arm64/Arrow-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Arrow.build/Debug/Arrow-t.build/Objects-normal/arm64/Arrow-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Arrow.build/Debug/Arrow-t.build/Objects-normal/arm64/Arrow-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Arrow.build/Debug/Arrow-t.build/Objects-normal/arm64/Arrow.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Arrow.build/Debug/Arrow-t.build/Objects-normal/arm64/Arrow.abi.json
error: Build failed
BUILD FAILURE 6.4 macosSpm